Merge branch 'fix/hda' into for-linus

[pandora-kernel.git] / fs / fuse / dev.c

diff --git a/fs/fuse/dev.c b/fs/fuse/dev.c
index 8fed2ed..6484eb7 100644 (file)
--- a/fs/fuse/dev.c
+++ b/fs/fuse/dev.c
@@ -286,8 +286,8 @@ __releases(&fc->lock)
                }
                if (fc->num_background == FUSE_CONGESTION_THRESHOLD &&
                    fc->connected && fc->bdi_initialized) {
-                       clear_bdi_congested(&fc->bdi, READ);
-                       clear_bdi_congested(&fc->bdi, WRITE);
+                       clear_bdi_congested(&fc->bdi, BLK_RW_SYNC);
+                       clear_bdi_congested(&fc->bdi, BLK_RW_ASYNC);
                }
                fc->num_background--;
                fc->active_background--;
@@ -414,8 +414,8 @@ static void fuse_request_send_nowait_locked(struct fuse_conn *fc,
                fc->blocked = 1;
        if (fc->num_background == FUSE_CONGESTION_THRESHOLD &&
            fc->bdi_initialized) {
-               set_bdi_congested(&fc->bdi, READ);
-               set_bdi_congested(&fc->bdi, WRITE);
+               set_bdi_congested(&fc->bdi, BLK_RW_SYNC);
+               set_bdi_congested(&fc->bdi, BLK_RW_ASYNC);
        }
        list_add_tail(&req->list, &fc->bg_queue);
        flush_bg_queue(fc);
@@ -849,6 +849,81 @@ err:
        return err;
 }
 
+static int fuse_notify_inval_inode(struct fuse_conn *fc, unsigned int size,
+                                  struct fuse_copy_state *cs)
+{
+       struct fuse_notify_inval_inode_out outarg;
+       int err = -EINVAL;
+
+       if (size != sizeof(outarg))
+               goto err;
+
+       err = fuse_copy_one(cs, &outarg, sizeof(outarg));
+       if (err)
+               goto err;
+       fuse_copy_finish(cs);
+
+       down_read(&fc->killsb);
+       err = -ENOENT;
+       if (!fc->sb)
+               goto err_unlock;
+
+       err = fuse_reverse_inval_inode(fc->sb, outarg.ino,
+                                      outarg.off, outarg.len);
+
+err_unlock:
+       up_read(&fc->killsb);
+       return err;
+
+err:
+       fuse_copy_finish(cs);
+       return err;
+}
+
+static int fuse_notify_inval_entry(struct fuse_conn *fc, unsigned int size,
+                                  struct fuse_copy_state *cs)
+{
+       struct fuse_notify_inval_entry_out outarg;
+       int err = -EINVAL;
+       char buf[FUSE_NAME_MAX+1];
+       struct qstr name;
+
+       if (size < sizeof(outarg))
+               goto err;
+
+       err = fuse_copy_one(cs, &outarg, sizeof(outarg));
+       if (err)
+               goto err;
+
+       err = -ENAMETOOLONG;
+       if (outarg.namelen > FUSE_NAME_MAX)
+               goto err;
+
+       name.name = buf;
+       name.len = outarg.namelen;
+       err = fuse_copy_one(cs, buf, outarg.namelen + 1);
+       if (err)
+               goto err;
+       fuse_copy_finish(cs);
+       buf[outarg.namelen] = 0;
+       name.hash = full_name_hash(name.name, name.len);
+
+       down_read(&fc->killsb);
+       err = -ENOENT;
+       if (!fc->sb)
+               goto err_unlock;
+
+       err = fuse_reverse_inval_entry(fc->sb, outarg.parent, &name);
+
+err_unlock:
+       up_read(&fc->killsb);
+       return err;
+
+err:
+       fuse_copy_finish(cs);
+       return err;
+}
+
 static int fuse_notify(struct fuse_conn *fc, enum fuse_notify_code code,
                       unsigned int size, struct fuse_copy_state *cs)
 {
@@ -856,6 +931,12 @@ static int fuse_notify(struct fuse_conn *fc, enum fuse_notify_code code,
        case FUSE_NOTIFY_POLL:
                return fuse_notify_poll(fc, size, cs);
 
+       case FUSE_NOTIFY_INVAL_INODE:
+               return fuse_notify_inval_inode(fc, size, cs);
+
+       case FUSE_NOTIFY_INVAL_ENTRY:
+               return fuse_notify_inval_entry(fc, size, cs);
+
        default:
                fuse_copy_finish(cs);
                return -EINVAL;
@@ -910,7 +991,7 @@ static ssize_t fuse_dev_write(struct kiocb *iocb, const struct iovec *iov,
                               unsigned long nr_segs, loff_t pos)
 {
        int err;
-       unsigned nbytes = iov_length(iov, nr_segs);
+       size_t nbytes = iov_length(iov, nr_segs);
        struct fuse_req *req;
        struct fuse_out_header oh;
        struct fuse_copy_state cs;